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LT Credit: Reduced Parking Footprint

Parking is not just a design decisionโ€”itโ€™s a behavior decision.

ย What is the Intent of this Credit?

The goal is to:

๐Ÿ‘‰ minimize environmental harms associated with parking

Including:

  • automobile dependence
  • excessive land consumption
  • stormwater runoff from impervious surfaces

๐ŸŽฏ Key Idea

More parking = more driving
Less parking = behavior change

๐ŸŒ Why This Matters

  • Excess parking increases:
    • congestion
    • emissions
    • land use inefficiency
  • Impervious parking surfaces:
    • increase stormwater runoff
    • carry pollutants into waterways

๐Ÿ‘‰ LEED encourages right-sizing parking, not maximizing it

๐Ÿ“Š How LEED Evaluates Parking

Baseline

๐Ÿ‘‰ Based on:

๐Ÿ‘‰ Transportation Planning Handbook ratios

This represents:

  • โ€œtypicalโ€ parking demand

๐Ÿงฉ Two Compliance Cases

โœ… Case 1: Standard Projects

๐Ÿ‘‰ Applies if project does NOT earn LT points under:

  • Surrounding Density
  • Access to Quality Transit

๐Ÿ“ Requirement

๐Ÿ‘‰ Reduce parking by:

๐Ÿ‘‰ 20% from baseline

โœ… Case 2: Dense / Transit-Served Projects

๐Ÿ‘‰ Applies if project earns:

  • โ‰ฅ1 point in Surrounding Density OR Transit

๐Ÿ“ Requirement

๐Ÿ‘‰ Reduce parking by:

๐Ÿ‘‰ 40% from baseline

๐ŸŽฏ Memory Trick

  • No density/transit โ†’ 20% reduction
  • Has density/transit โ†’ 40% reduction

โš ๏ธ What Must Be Included in Calculations

โœ… Include:

  • all new parking spaces
  • all existing parking spaces
  • off-site parking used by project
  • leased or owned parking

โŒ Exclude:

๐Ÿ‘‰ On-street parking

๐ŸŽฏ Exam Insight

On-street parking = โŒ NOT counted

๐Ÿš˜ Preferred Parking Requirement

๐Ÿ‘‰ Must provide:

๐Ÿ‘‰ โ‰ฅ5% of total parking

as:

  • preferred parking for carpools

โ— Exception:

๐Ÿ‘‰ If no off-street parking is provided

โ†’ requirement does not apply

๐Ÿ’ก Strategies to Achieve This Credit

(You included a great listโ€”letโ€™s structure it clearly)

๐Ÿšซ Reduce Demand

  • limit parking supply
  • avoid overbuilding parking

๐Ÿš Encourage Alternatives

  • transit subsidies
  • shuttle services

๐Ÿง‘โ€๐Ÿ’ป Reduce Travel Need

  • telecommuting
  • compressed work weeks

๐Ÿ…ฟ๏ธ Manage Parking Differently

  • shared parking
  • unbundle parking (sell separately)

๐Ÿ“Œ Strategy Summary

๐Ÿ‘‰ These strategies all aim to:

reduce dependence on personal vehicles

๐Ÿง  Where People Get Confused

โŒ Misconception 1:

โ€œProviding more parking is better for usersโ€

๐Ÿ‘‰ LEED discourages this
๐Ÿ‘‰ More parking = more driving

โŒ Misconception 2:

โ€œOn-street parking countsโ€

๐Ÿ‘‰ No
๐Ÿ‘‰ Only off-street parking is counted

โŒ Misconception 3:

โ€œReduction is from local code minimumโ€

๐Ÿ‘‰ No

๐Ÿ‘‰ Reduction is from:

๐Ÿ‘‰ Transportation Planning Handbook baseline

โŒ Misconception 4:

โ€œPreferred parking is always requiredโ€

๐Ÿ‘‰ Not if:

๐Ÿ‘‰ no off-street parking is provided

Official FAQs

What are the two reduction thresholds in this credit?
โ€ข 20% reduction โ†’ standard projects
โ€ข 40% reduction โ†’ projects in dense/transit areas
What baseline is used for parking calculations?
Transportation Planning Handbook ratios
A project earns 1 point under Access to Quality Transit. What parking reduction is required?
40% reduction
A project includes 200 parking spaces on-site and 50 leased spaces off-site. How many spaces must be included in calculations?
250 spaces
(All off-street parking used by project must be included)
Why does LEED require greater parking reduction in transit-served areas?
Because:
โ€ข alternative transportation is available
โ€ข less parking is needed
โ€ข encourages behavioral shift
๐Ÿ‘‰ Supports efficient land use and lower emissions
A project provides zero parking spaces. Does it need to provide preferred parking for carpools?
No.
๐Ÿ‘‰ Requirement applies only when parking is provided
If no off-street parking is provided for the project buildingโ€™s users, can the project pursue LT Credit: Reduced Parking Footprint and LT Credit: Green Vehicles?
If a project provides no off-street parking, it:
๐Ÿ‘‰ can pursue LT Credit: Reduced Parking Footprint
๐Ÿ‘‰ cannot pursue LT Credit: Green Vehicles
________________________________________
Explanation:
โ€ข Reduced Parking Footprint rewards projects for minimizing or eliminating parking, which:
o reduces automobile dependence
o encourages alternative transportation (public transit, walking, biking)
๐Ÿ‘‰ Therefore, a project with zero parking strongly aligns with this creditโ€™s intent.
________________________________________
โ€ข Green Vehicles, on the other hand, requires:
o designated parking spaces for green vehicles
o OR EV charging / fueling infrastructure tied to parking
๐Ÿ‘‰ If no parking is provided, there is:
โ€ข no location to assign preferred parking
โ€ข no parking base to calculate percentages

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